The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 1995

Filed:

Aug. 09, 1994
Applicant:
Inventors:

Katsuo Kanno, Otsu, JP;

Yutaka Takashima, Ashiya, JP;

Assignee:

Gosen Co., Ltd., Uchi-awaji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ;
Abstract

A racket string consists of lengthwise sections having different tensile elastic moduli with at least one section of the string having a tensile elastic modulus higher than other sections. A stringed racket includes at least one string constituting the central stringed area of the racket with higher tensile elastic modulus, and a peripheral stringed area with sections of the string having lower tensile elastic modulus. Another stringed racket includes at least one string constituting the central stringed area of the racket with lower tensile elastic modulus and a peripheral stringed area with sections of the string having higher tensile elastic modulus.


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